1. Introduction to C63200 Alloy
C63200 nickel aluminum bronze is a high-strength copper-based alloy known for its exceptional mechanical properties and corrosion resistance. This analysis provides detailed information about its characteristics, specifications, and applications.
2. Chemical Composition
The precise chemical composition according to ASTM standards:
| nach Extrusionsabschrecken und künstlicher Alterung HBS≥80 | Composition Range (%) | Optimal Range (%) |
|---|---|---|
| Kupfer | 81.0 – 83.0 | 82.0 |
| Aluminium (Al) | 8,5 – 9,5 | 9.0 |
| Nickel (Ni) | 4.0 – 4.8 | 4.5 |
| Eisen (Fe) | 3.5 – 4.3 | 4.0 |
| Mangan (Mn) | 1,2 – 2,0 | 1.5 |
| Silizium (Si) | 0.10 max | 0.05 |
| Blei (Pb) | 0.02 max | 0.01 |
| Zink (Zn) | 0.20 max | 0.10 |
3. Mechanical Properties
3.1 Standard Mechanical Properties at Room Temperature
| Eigentum | Metrische Einheiten | Imperial Units |
|---|---|---|
| Ultimative Zugfestigkeit | 640-720 MPa | 93-104 ksi |
| Streckgrenze (0,2 % Offset) | 280-380 MPa | 41-55 ksi |
| Elongation in 50mm | 15% min | 15% min |
| Flächenreduzierung | 20% min | 20% min |
| Härte (Brinell) | 160-200 HB | 160-200 HB |
| Impact Strength (Charpy V-notch) | 34 J | 25 ft-lb |
3.2 Temperature-Dependent Properties
| Temperatur (°C) | Zugfestigkeit (MPa) | Streckgrenze (MPa) | Dehnung (%) |
|---|---|---|---|
| -196 | 850 | 420 | 12 |
| 20 | 680 | 330 | fünfzehn |
| 100 | 650 | 310 | 16 |
| 200 | 600 | 280 | 18 |
| 300 | 520 | 250 | 20 |
| 400 | 400 | 200 | 25 |
4. Physical Properties
| Eigentum | Wert | Units |
|---|---|---|
| Dichte | 7.45 | g/cm³ |
| Schmelzbereich | 1030-1060 | °C |
| Spezifische Wärme | 0.377 | kJ/kg·K |
| Wärmeleitfähigkeit | 42 | W/m·K |
| Elektrischer widerstand | 13.3 | μΩ·cm |
| Elastizitätsmodul | 110 | GPa |
| Poisson-Zahl | 0.33 | – |
| Magnetic Permeability | 1.05 | – |
5. Dimensional Specifications
5.1 Standard Tube Sizes
| Nominal OD (mm) | Wall Thickness Range (mm) | Standard Lengths (m) |
|---|---|---|
| 12.7 – 25.4 | 1.2 – 3.2 | 3, 6 |
| 31.8 – 50.8 | 1.6 – 4.8 | 3, 6 |
| 63.5 – 101.6 | 2.1 – 6.4 | 3, 6 |
| 114.3 – 219.1 | 3.2 – 12.7 | 3, 6 |
| 273.0 – 406.4 | 4.8 – 19.1 | 3, 6 |
5.2 Tolerances
| Abmessungen | Tolerance Range |
|---|---|
| Outside Diameter | ±0.25mm up to 50mm OD |
| Wandstärke | ±10% |
| Länge | +3mm, -0mm |
| Straightness | 1.5mm per meter |
| Ovality | 1% of OD max |
6. Corrosion Resistance Properties
6.1 Corrosion Rates in Different Environments
| Umfeld | Temperatur (°C) | Korrosionsrate (mm/Jahr) |
|---|---|---|
| Meerwasser | 20 | 0.025 |
| Süßwasser | 20 | 0.013 |
| 3% NaCl Solution | 20 | 0.028 |
| 10% H₂SO₄ | 20 | 0.fünfzehn |
| 10% HCl | 20 | 0.22 |
| Industrielle Atmosphäre | 20 | 0.008 |
6.2 Environmental Resistance Ratings
| Umfeld | Rating (1-10) | ist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard |
|---|---|---|
| Marine | 9 | Excellent resistance |
| Industrie | 8 | Very good resistance |
| Chemische Verarbeitung | 7 | Good for most applications |
| High Temperature | 8 | Maintains properties well |
| Verschleißfestigkeit | 8 | Superior to standard bronzes |
| Stress Corrosion | 9 | Highly resistant |
7. Manufacturing and Processing
7.1 Fabrication Parameters
| Verfahren | Recommended Parameters |
|---|---|
| Heiße Arbeitstemperatur | 760-870°C |
| Glühtemperatur | 650-750°C |
| Temperatur zum Stressabbau | 350-400°C |
| Maximum Operating Temperature | 315°C |
7.2 Welding Specifications
| Welding Process | Recommended Parameters | Filler Metal |
|---|---|---|
| GTAW | DC Straight Polarity | ERCuNiAl |
| GMAW | DC Reverse Polarity | ERCuNiAl |
| SMAW | DC Reverse Polarity | ECuNiAl |
8. Quality Control Requirements
8.1 Testing Requirements
| Test Type | Standard | Frequency |
|---|---|---|
| Chemische Analyse | ASTM E478 | Per Heat |
| Tensile Testing | ASTM E8 | Per Lot |
| Hardness Testing | ASTM E10 | Per Lot |
| Ultrasonic Testing | ASTM E213 | 100% |
| Hydrostatic Testing | ASTM E498 | 100% |
8.2 Surface Finish Requirements
| Surface Condition | Roughness (Ra) | Anwendung |
|---|---|---|
| Standard Finish | 3.2 μm | General Purpose |
| Smooth Finish | 1.6 μm | Hydraulic Applications |
| Polished Finish | 0.8 μm | Critical Flow Service |
| Mirror Finish | 0.4 μm | Special Applications |
9. Applications and Industry Standards
9.1 Industry-Specific Applications
| Industrie | Anwendungen | Key Requirements |
|---|---|---|
| Marine | Propeller Shafts, Pump Housings | Korrosionsbeständigkeit |
| Oil & Gas | Valve Bodies, Bearings | Strength, Wear Resistance |
| Chemische Verarbeitung | Heat Exchangers, Reactors | Chemical Resistance |
| Energieerzeugung | Pump Components, Fittings | Reliability, Durability |
| Mining | Wear Plates, Bushings | Abrasion Resistance |
9.2 Applicable Standards
| Standard | Beschreibung | Umfang |
|---|---|---|
| ASTM B150 | Standard Specification | Material Requirements |
| ASTM B271 | Seamless Tubes | Herstellung |
| NACE MR0175 | Sour Service | Oil & Gas Applications |
| ISO 9001 | Quality Management | Process Control |
| DNV-GL | Marine Certification | Maritime Applications |
10. Economic Considerations
10.1 Cost Factors
| Faktor | Impact Level | Consideration |
|---|---|---|
| Rohstoffkosten | Hoch | Market-dependent |
| Bearbeitungskosten | Mittel | Complex manufacturing |
| Installation Cost | Niedrig | Standard procedures |
| Maintenance Cost | Niedrig | Long service life |
| Life Cycle Cost | Favorable | Extended durability |
This comprehensive analysis provides essential information for engineers, procurement specialists, and technical professionals working with C63200 nickel aluminum bronze tubes. The data presented should be verified for specific applications and operating conditions.